| FEV MOTORENTECHNIK GMBH Patent applications |
| Patent application number | Title | Published |
| 20120124973 | Method for Predicting NOx Amount and Exhaust System Using the Same - A method for predicting a NOx amount, may include determining a reference NOx amount according to a driving condition of an engine, primarily correcting the reference NOx amount according to an exhaust gas recirculation (EGR) ratio, and secondarily correcting the primarily corrected NOx amount according to an environmental factor and the driving condition. | 05-24-2012 |
| 20120124970 | METHOD FOR PREDICTING NOx AMOUNT AMD EXHAUST SYSTEM USING THE SAME - A method for predicting a NOx amount may include detecting an O2 amount in an intake air, calculating a reference O2 amount in the intake air according to a driving condition of an engine, calculating a reference NOx amount contained in an exhaust gas according to the driving condition of the engine, and primarily correcting the reference NOx amount based on the detected O2 amount in the intake air and the reference O2 amount in the intake air according to the driving condition of the engine. | 05-24-2012 |
| 20110259145 | HYBRID DRIVE SYSTEM - A hybrid drive system with first drive means | 10-27-2011 |
| 20110120416 | MULTI-FUEL DIESEL INTERNAL COMBUSTION ENGINE - A diesel internal combustion engine that is operated advantageously at least predominantly according to the diesel principle, with a multi-fuel adaptation unit that reacts to various fuels of different mixtures and adapts an operating mode of the internal combustion engine to these fuels, wherein the multi-fuel adaptation unit comprises at least the following elements:
| 05-26-2011 |
| 20110061367 | EXHAUST SYSTEM FOR INTERNAL COMBUSTION ENGINE - The present invention discloses an exhaust system for an internal combustion engine that provides diesel particulate filter (DPF) failure detection and/or monitoring of nonmethane hydrocarbons (NMHC) for an internal combustion engine. The system can include a main exhaust duct and a secondary exhaust line operative for exhaust gas to pass therethrough. The system has an oxidation catalyst and a main particulate filter located in line with the main exhaust duct. A monitoring particulate filter is also included and located within the secondary exhaust line. The secondary exhaust line and the monitoring particulate filter are located downstream from the main particulate filter. | 03-17-2011 |
| 20100300069 | CONTROL OF A MOTOR VEHICLE INTERNAL COMBUSTION ENGINE - The present invention relates to a method for operating a motor vehicle internal combustion engine having a controller for adjusting NOx emissions in the exhaust gas, wherein a NOx controller is combined with a combustion controller. A control unit of an internal combustion engine is further proposed, said control unit comprising first control means for performing cylinder pressure-based combustion control, and second control means for performing NOx control, wherein the first and second control means are linked to each other. | 12-02-2010 |
| 20100294246 | PARALLEL CRANK DRIVE - The invention relates to a parallel crank drive ( | 11-25-2010 |
| 20100282531 | DRIVE SYSTEM WITH AN 8-GEAR GEARBOX - A drive system with an 8-gear gearbox for a motor vehicle with a driving machine | 11-11-2010 |
| 20100282217 | VCR UNIVERSAL DRIVE - An internal combustion engine with a variable compression ratio is provided. The engine can have a crankshaft that is pivotably supported, a flywheel fixed on the crankshaft, and a connection shaft that is arranged between the crankshaft and an input shaft of a shift transmission. | 11-11-2010 |
| 20100263965 | OIL SUPPLY AND DISCHARGE FOR A TRANSMISSION - The invention relates to a drive system in which components for a front transverse arrangement in a motor vehicle, such as the clutch, shaft, and transmission, are disposed in a casing that is preferably pot-shaped. The oil is centrally supplied via the shaft. An effective centrifugal force allows a certain oil level to be established within the casing, said oil level once again being drained by accordingly discharging oil, preferably parallel to the shaft. | 10-21-2010 |
| 20100257924 | TEST BED FOR ELEVATION SIMULATION - The invention relates to a test bed ( | 10-14-2010 |
| 20100242454 | NH3-MONITORING OF AN SCR CATALYTIC CONVERTER - The present invention relates to an internal combustion engine ( | 09-30-2010 |
| 20100147606 | ELECTRIC VEHICLE WITH INCREASED RANGE - The present invention relates to a drive mechanism of an electric vehicle that is realized only by means of one or more electric motors that are connected to at least one storage battery, wherein a generator is provided that can be connected for supplying energy to the drive mechanism, wherein the generator is coupled to a Wankel engine that drives only the generator when needed, but delivers no driving power as torque to the drive train of the electric motor or motors of the drive mechanism. A method for operating an electric vehicle is also presented. | 06-17-2010 |
| 20100131181 | SYSTEM FOR CONTROLLING THE EXHAUST GAS RETURN RATE BY MEANS OF VIRTUAL NOX SENSORS WITH ADAPTATION VIA A NOX SENSOR - The present invention relates to a method for adjusting a mass flow of an exhaust gas return of an internal combustion engine, taking into consideration a NOx behavior, wherein a controlling system provides a coupling of a virtual NOx determination with a real NOx control. Furthermore, an internal combustion engine with appropriate controlling means is proposed. | 05-27-2010 |
| 20100071365 | EXHAUST GAS RECIRCULATION SYSTEM - An exhaust gas recirculation system for an internal combustion engine is disclosed. The exhaust gas recirculation system can include a first turbocharger and a second turbocharger with a particulate filter located between the two turbochargers. The first turbocharger can have a first exhaust turbine and a first charger while the second turbocharger can have a second exhaust turbine and a second charger. The particulate filter can be located between the first exhaust turbine and the second exhaust turbine and thereby remove particulates from an exhaust gas before it reaches the second exhaust turbine. In some instances, an exhaust gas recirculation line can be included and have an inlet that is located downstream from the particulate filter. In addition, the exhaust gas recirculation line can have an outlet that is located between the first charger and the second charger, or in the alternative downstream from the first charger. It is appreciated that the internal combustion engine can be a diesel engine and the particulate filter can be a diesel particulate filter. | 03-25-2010 |
| 20100071352 | VARIABLE EXHAUST GAS DEFLECTOR - A variable exhaust gas flow deflector for an internal combustion engine is disclosed. The deflector can include a blade located at least partially within an exhaust gas flow of the engine, the blade having a first position and a second position. The blade can move between the first position and the second position as a function of at least one parameter and/or condition of the exhaust gas and/or the internal combustion engine. | 03-25-2010 |
| 20090152375 | Fuel injector - A fuel injection method according to the invention that utilizes an accumulator principle, particularly a common rail principle, is characterized in that fuel arriving from an accumulator, particularly a common rail, is conveyed to a primary side of the pressure booster at a first pressure such that a secondary side of the pressure booster is subjected to a pressure increase, and in that an opening and closing of an injection nozzle are realized with the pressure in a pressure chamber for the injection nozzle, by displacing a closing element that acts upon the injection nozzle, particularly an injector needle, by means of a hydraulically controlled pressure change. | 06-18-2009 |
| 20090139306 | METHOD AND DEVICE FOR MEASURING THE POLLUTANTS IN EXHAUST GASES OF INTERNAL COMBUSTION ENGINES - A method of measuring oxygen-containing nitrogen components including nitrogen dioxide in exhaust gases of internal combustion engines, wherein an exhaust gas sample is taken from a removal point | 06-04-2009 |
| 20090114173 | CYLINDER HEAD WITH REINFORCEMENT - The invention relates to a cylinder head ( | 05-07-2009 |
| 20090093947 | INJECTION METHOD AND ASSOCIATED INTERNAL COMBUSTION ENGINE - In order to improve a combustion process of a motor vehicle, in particular with regard to emissions and/or the development of noise, a method for regulating an injection profile is provided, in which method a fuel is injected directly into a combustion chamber, wherein the regulation brings about a change in the injection profile ( | 04-09-2009 |
| 20090071123 | PARTICLE FILTER ASSEMBLY - A particle filter assembly adapted to be mounted in an exhaust gas stream of an internal combustion engine. The particle filter assembly includes a wire mesh filter or sinter metal filter having a mesh size sufficiently small to prevent the passage of carbonaceous particles above a predetermined size through the mesh. The filter is positioned in series with the exhaust gas stream from the engine. A source of electrical power is electrically connected to the filter to heat the filter to a temperature sufficient to oxidize the carbonaceous material in the filter to carbon dioxide. | 03-19-2009 |
| 20080295805 | High Pressure Fuel Injector - The present invention relates to an internal combustion engine having a high pressure fuel injector ( | 12-04-2008 |
| 20080276900 | Vehicle Piston Internal Combustion Engine Comprising an Adapted Recess - An internal combustion engine has at least one cylinder, wherein in the cylinder there is a piston, which has a recess. Furthermore, the internal combustion engine has a cylinder head, which has the shape of a roof complementary to the roof-shaped geometry of the piston with a first and second side converging in the shape of a gable, with the piston and the cylinder head defining a top side and a bottom side of a combustion chamber. The internal combustion engine has an ignition device, which is arranged at least approximately in the center in the roof shape. The cylinder further has preferably two inlet valves, which are arranged in the first side, and also preferably two outlet valves, which are arranged in the second side. The recess extends past both sides, wherein the recess includes at the side approximately vertically descending sides and a base. The piston further has at least two, preferably four quench zones, which are at least partially separated from each other by valve pockets for valves. | 11-13-2008 |
| 20080234098 | METHOD OF OPERATING A HYBRID DRIVE SYSTEM AND HYBRID DRIVE SYSTEM WITH TWO PARTIAL DRIVES - A method of operating a hybrid drive system with a main driving machine | 09-25-2008 |